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|---|---|---|
 0001193125-17-373544-index-headers.html | 2017-12-19 15:20:47 | |
| 0001193125-17-373544-index.html | 2017-12-19 15:20:47 | |
| 0001193125-17-373544.txt | 2017-12-19 15:20:47 | |
 0001193125-17-373544-xbrl.zip | 65753 | 2017-12-19 15:20:47 |
 BarChart1.png | 7244 | 2017-12-19 15:20:47 |
 BarChart2.png | 7193 | 2017-12-19 15:20:47 |
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| bf11-20171121_lab.xml | 138317 | 2017-12-19 15:20:47 |
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| d437834d485bpos.htm | 34297 | 2017-12-19 15:20:47 |
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 g437834g37w93.jpg | 2150 | 2017-12-19 15:20:47 |
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| R13.htm | 173826 | 2017-12-19 15:20:47 |
| R14.htm | 7477 | 2017-12-19 15:20:47 |
| R2.htm | 100484 | 2017-12-19 15:20:47 |
| R7.htm | 173643 | 2017-12-19 15:20:47 |
| R8.htm | 100675 | 2017-12-19 15:20:47 |
| report.css | 2767 | 2017-12-19 15:20:47 |
| Show.js | 1410 | 2017-12-19 15:20:47 |